Policy Qualifiers in RPKI Certificates
draft-ietf-sidr-policy-qualifiers-01

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Document Type Active Internet-Draft (sidr WG)
Last updated 2014-06-03 (latest revision 2013-10-02)
Replaces draft-newton-sidr-policy-qualifiers
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Network Working Group                                          A. Newton
Internet-Draft                                                      ARIN
Updates: 6487 (if approved)                                    G. Huston
Intended status: Standards Track                                   APNIC
Expires: April 05, 2014                                 October 02, 2013

                 Policy Qualifiers in RPKI Certificates
                  draft-ietf-sidr-policy-qualifiers-01

Abstract

   This document updates RFC 6487 by clarifying the inclusion of policy
   qualifiers in the certificate policies extension of RPKI resource
   certificates.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on April 05, 2014.

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   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Table of Contents

   1.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Update to RFC 6487  . . . . . . . . . . . . . . . . . . . . .   2
   3.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   3
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   3
   5.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   3
   6.  Normative References  . . . . . . . . . . . . . . . . . . . .   3
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   4

1.  Terminology

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

2.  Update to RFC 6487

   [RFC6487] profiles certificates, certificate revocation lists, and
   certificate signing requests specified in [RFC5280] for use in
   routing public key infrastructure.

   [RFC5280] defines an extension to certificates for the listing of
   policy information (See section 4.2.1.4).  [RFC6487] states in
   Section 4.8.9: "This extension MUST be present and MUST be marked
   critical.  It MUST include exactly one policy, as specified in the
   RPKI CP [RFC6484]".  This references the CertPolicyId of the sequence
   allowed in PolicyInformation as defined by [RFC5280].

   [RFC5280] also specifies that PolicyInformation may optionally have a
   sequence of PolicyQualifierInfo objects.  [RFC6487] does not
   specifically allow or disallow these PolicyQualifierInfo objects
   although it also states in section 4: "Unless specifically noted as
   being OPTIONAL, all the fields listed here MUST be present, and any
   other fields MUST NOT appear in a conforming resource certificate."

   This document updates [RFC6487], Section 4.8.9, as follows:

      OLD:

         This extension MUST be present and MUST be marked critical.  It
         MUST include exactly one policy, as specified in the RPKI CP
         [RFC6484].

      NEW:

         This extension MUST be present and MUST be marked critical.  It
         MUST include exactly one policy, as specified in the RPKI CP

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         [RFC6484].  Exactly one policy qualifier MAY be included.  If a
         policy qualifier is included, the policyQualifierId MUST be the
         CPS pointer qualifier type (id-qt-cps).

   As noted in [RFC5280], section 4.2.1.4: "Optional qualifiers, which
   MAY be present, are not expected to change the definition of the
   policy."  In this case any optional policy qualifiers that MAY be
   present in a resource certificate MUST NOT change the definition of
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